package DaEr1_2;

import java.util.Scanner;

public class JuZiDuiYing {
    public static void main(String[] args) {
        int a;
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入你的年级：");
        a = scanner.nextInt();
        if (a==1){
            System.out.println("大一好好学习");
        }else if (a==2){
            System.out.println("大二好好学习");
        }else if (a==3){
            System.out.println("大三好好学习");
        }else if (a==4){
            System.out.println("大四好好学习");
        }else {
            System.out.println("好好输入");
        }
    }
}
